package top.wuyang.study.javaexam;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class DBHelper {

    // 数据库链接url
    public static final String URL =
            "jdbc:mysql://teach_mysql.huhuiyu.top:31000/db_wujingxian?useUnicode=true&characterEncoding=utf8&characterSetResults=utf8&useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=Asia/Shanghai";

    // 数据库用户名
    public static final String USER = "db_wujingxian";

    // 数据库密码
    public static final String PASSWORD = "giteemima240209";

    // 数据库驱动类名称
    public static final String DRIVER = "com.mysql.cj.jdbc.Driver";

    static {
        // 加载驱动程序
        try {
            Class.forName(DRIVER);
        } catch (ClassNotFoundException e) {
            throw new RuntimeException(e);
        }

    }

    // 获取数据库连接
    public static Connection getConnection(){
        try {
            return DriverManager.getConnection(URL,USER,PASSWORD);
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }




}
